Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)  ·  Contains:  The star 16Cep  ·  The star 24Cep
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LDN 1235 - The Shark Nebula, 



    
        

            Antoine Grelin
LDN 1235 - The Shark Nebula
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Getting plate-solving status, please wait...
LDN 1235 - The Shark Nebula, 



    
        

            Antoine Grelin
LDN 1235 - The Shark Nebula
Powered byPixInsight

Equipment

Imaging Telescopes Or Lenses
Stellarvue SVX130T
Imaging Cameras
QHYCCD QHY600PH C
Mounts
Software Bisque Paramount MyT
Guiding Telescopes Or Lenses
Orion 50mm Guidescope
Guiding Cameras
ZWO ASI290MM Mini

Acquisition details

Dates:
Oct. 18, 2020
Frames:
52×600(8h 40′)
Integration:
8h 40′
Avg. Moon age:
1.96 days
Avg. Moon phase:
4.28%

RA center: 22h00m23s.5

DEC center: +72°5732

Pixel scale: 0.925 arcsec/pixel

Orientation: 352.175 degrees

Field radius: 1.852 degrees

Resolution: 12000x7992

File size: 70.1 MB

Data source: Traveller

Description

Space Shark 🦈 ✨

If you’re thinking of imaging a dark nebula… think again. This was probably the most difficult object I had to process, and I’m not even satisfied. This is LDN 1235, the Shark Nebula. 8.7 hours with the SVX130 and QHY600C. A very faint dark nebula in the constellation Cepheus. It is fairly large and is close to several bright stars. Talking about bright stars, do you see that weird rainbow near the bottom right? That’s what happens when you don’t use an IR Cut filter…

I might spend more time on this object to really get a better result but that rainbow + my terrible back-focus issues I’m currently experiencing are not motivating. I might wait until next year to revisit it. What’s the most difficult target you had to process?

More info: https://www.galactic-hunter.com/post/the-shark-nebula

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Sky plot

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Histogram

LDN 1235 - The Shark Nebula, 



    
        

            Antoine Grelin